APA (7th ed.) Citation

Scheppach, R. C. (1972). State projections of the gross national product, 1970, 1980. Lexington Books.

Chicago Style (17th ed.) Citation

Scheppach, Raymond C. State Projections of the Gross National Product, 1970, 1980. Lexington, Mass: Lexington Books, 1972.

MLA (8th ed.) Citation

Scheppach, Raymond C. State Projections of the Gross National Product, 1970, 1980. Lexington Books, 1972.

Warning: These citations may not always be 100% accurate.